\(\dfrac{8}{9}-\dfrac{4}{15}=\dfrac{80}{90}-\dfrac{24}{90}=\dfrac{56}{90}=\dfrac{28}{45}\)
\(\dfrac{8}{9}-\dfrac{4}{15}=\dfrac{80-24}{90}=\dfrac{28}{45}\)
$\mathbb{㊪BELLA DÂU❤︵CUTE ㊪ }$
\(\dfrac{8}{9}\) - \(\dfrac{4}{15}\) = \(\dfrac{120-36}{135}\) = \(\dfrac{84}{135}\)